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8 papers · 1 filter
Abundant Circumstellar Silica Dust and SiO Gas Created by a Giant Hypervelocity Collision in the ~12 Myr HD172555 System
C. M. Lisse, C. H. Chen, M. C. Wyatt +4
The fine dust detected by IR emission around the nearby Beta Pic analogue star HD172555 is very peculiar. The dust mineralogy is composed primarily of highly refractory, non-equili…
Bipolarons from long range interactions: Singlet and triplet pairs in the screened Hubbard-Froehlich model on the chain
J. P. Hague, P. E. Kornilovitch
We present details of a continuous-time quantum Monte-Carlo algorithm for the screened Hubbard-Froehlich bipolaron. We simulate the bipolaron in one dimension with arbitrary intera…
A third red supergiant rich cluster in the Scutum-Crux Arm
J. S. Clark, I. Negueruela, B. Davies +6
We aim to characterise the properties of a third massive, red supergiant dominated galactic cluster. To accomplish this we utilised a combination of near/mid-IR photometry and spec…
Hot debris dust around HD 106797
Hideaki Fujiwara, Takuya Yamashita, Daisuke Ishihara +10
Photometry of the A0 V main-sequence star HD 106797 with AKARI and Gemini/T-ReCS is used to detect excess emission over the expected stellar photospheric emission between 10 and 20…
Observational detection of eight mutual eclipses and occultations between the satellites of Uranus
A. A. Christou, F. Lewis, P. Roche +13
We carried out observations, with five different instruments ranging in aperture from 0.4m to 10m, of the satellites of Uranus during that planet's 2007 Equinox. Our observations c…
Experimental demonstration of painting arbitrary and dynamic potentials for Bose-Einstein condensates
K. Henderson, C. Ryu, C. MacCormick +1
There is a pressing need for robust and straightforward methods to create potentials for trapping Bose-Einstein condensates which are simultaneously dynamic, fully arbitrary, and s…